Re: 2.6.24-rc6-mm1 Kernel panics at different functions ()

From: Dhaval Giani
Date: Fri Dec 28 2007 - 08:03:46 EST


>
> While doing the git bisect, following panic was seen
>
> Unable to handle kernel paging request at 000000000000401e RIP:
> [<ffffffff80232ec8>] load_balance_monitor+0x15e/0x2a4
> PGD 0
> Oops: 0000 [1] SMP
> last sysfs file: /devices/pci0000:00/0000:00:0a.0/0000:02:04.0/host0/target0:0:6/0:0:6:0/type
> CPU 1
> Modules linked in:
> Pid: 15, comm: load_balance_mo Not tainted 2.6.24-rc6-mm1-autokern1 #1
> RIP: 0010:[<ffffffff80232ec8>] [<ffffffff80232ec8>] load_balance_monitor+0x15e/0x2a4
> RSP: 0000:ffff81007ffb7eb0 EFLAGS: 00010297
> RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
> RDX: 000000000000401e RSI: ffff81007ffb7ed8 RDI: 0000000000000000
> RBP: ffff81007ffb7f20 R08: ffff81007ffb6000 R09: ffff81007ffb6000
> R10: ffff81007ffb6000 R11: 0000000000000000 R12: 0000000000000000
> R13: 0000000000000003 R14: 0000000000000800 R15: ffff8101fe997f00
> FS: 0000000000000000(0000) GS:ffff8100e3b10000(0000) knlGS:00000000f73e1bb0
> CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> CR2: 000000000000401e CR3: 0000000000201000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process load_balance_mo (pid: 15, threadinfo ffff81007ffb6000, task ffff81007ff94790)
> Stack: 0000000000002000 0000000000000000 ffff810001009cc0 00000001e3b29d90
> 0000008000000000 000000000000000f ffff81007f0be780 000000000000000f
> 000000017ffb7f20 0000000000000000 00000000fffffffc ffffffffffffffff
> Call Trace:
> [<ffffffff80232d6a>] load_balance_monitor+0x0/0x2a4
> [<ffffffff80247830>] kthread+0x3d/0x63
> [<ffffffff8020c2b8>] child_rip+0xa/0x12
> [<ffffffff802477f3>] kthread+0x0/0x63
> [<ffffffff8020c2ae>] child_rip+0x0/0x12
>
>
> Code: 48 8b 04 c2 48 8b 10 48 01 55 98 e8 ce 40 12 00 83 f8 07 41
> RIP [<ffffffff80232ec8>] load_balance_monitor+0x15e/0x2a4
> RSP <ffff81007ffb7eb0>
> CR2: 000000000000401e
>

Hmmm. Looking into it :-).

--
regards,
Dhaval
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